poison mercury

Noun poison mercury has 1 sense

• poison mercury(n = noun.plant) markweed, poison ivy, poison oak, rhus radicans, toxicodendron radicans - climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact;
is a member of genus toxicodendron, toxicodendron
is a kind of poisonous plant